Chalk box



FIG. 1 is a top perspective view of my new design for a chalk box.

FIG. 2 is a bottom perspective view of my new design.

FIG. 3 is a top plan view of my new design.

FIG. 4 is a bottom plan view of my new design.

FIG. 5 is a right side-elevational view of my new design.

FIG. 6 is a left side-elevational view of my new design.

FIG. 7 is a first end elevational view of my new design; and,

FIG. 8 is a second end view of my new design. 

The ornamental design for a chalk box, as shown and described. 